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CLI-based Configuration Guide - IP Multicast

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

This document describes the principles and configurations of IP multicast, and provides configuration examples.
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Controlling the Output of Logs

Controlling the Output of Logs

To know the running status of the system or locate a fault through logs, you can enable the output of logs about the reused switch-group addresses.

Context

In the VPN instance on the source PE, if the number of VPN multicast data flows that need to be switched is more than the number of group addresses in the switch-group-pool of Switch-multicast distribution tree (Switch-MDT), the group addresses in the switch-group-pool can be used repeatedly.

By default, the logs of the reused Switch-Group addresses are not recorded.

To know the running status of the system or locate a fault through logs, do as follows on the PE:

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    ip vpn-instance vpn-instance-name

    The VPN instance view is displayed.

  3. Run:

    ipv4-family

    An IPv4 address family is enabled for the VPN instance and the VPN instance IPv4 address family view is displayed.

  4. Run:

    multicast-domain log switch-group-reuse

    The logs of the reused Switch-Group addresses are recorded.

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Updated: 2019-06-12

Document ID: EDOC1000097181

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